/* ===========================================================
   Isyflow — pagina pubblica.

   Due sole superfici: l'inchiostro (scuro, caldo) e la carta
   (avorio). Un solo accento, il cyan del marchio, usato con
   parsimonia: quando compare, vuol dire qualcosa.

   Il carattere con cui si legge è lo stesso dei report che il
   software produce — un serif — così la pagina somiglia al
   lavoro che promette.
   =========================================================== */
:root {
  /* Inchiostro caldo e carta avorio. L'accento è il cyan del marchio: sulla
     carta si legge scuro, sul fondo scuro si schiarisce — due tinte dello
     stesso colore, non due colori. Nessun marchio di studio compare qui. */
  --ink: #0E0F0C;
  --ink-2: #171A16;
  --ink-3: #21251F;
  --paper: #FBFAF8;
  --paper-2: #F1F2F0;
  --accent: #00738F;          /* accento su fondo chiaro */
  --accent-chiaro: #33B3D6;   /* accento su fondo scuro */
  --accent-2: #0088B0;
  --olive: #00738F;
  --muted: #8A8F88;
  --muted-2: #63685F;
  --line: #E5E6E2;
  --line-dark: rgba(255,255,255,.14);
  --serif: "Source Serif 4", "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI Variable Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --wrap: 1120px;
  --ease: cubic-bezier(.22,.68,.35,1);
}

* { box-sizing: border-box; }
/* clip e non hidden: overflow-x:hidden sul body ne farebbe un contenitore di
   scorrimento, e la barra in alto smetterebbe di restare appiccicata */
html { scroll-behavior: smooth; scroll-padding-top: 92px; overflow-x: clip; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
.wrap { width: min(var(--wrap), calc(100vw - 48px)); margin: 0 auto; }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--accent); color: var(--ink); padding: 10px 16px; border-radius: 0 0 8px 0;
}
.skip:focus { left: 0; }

h1, h2, h3, h4 { font-family: var(--serif); font-weight: 400; letter-spacing: -.015em; margin: 0; }
.accent { color: var(--olive); }
.small { font-size: 13.5px; color: var(--muted-2); }

/* ----------------------------------------------------- barra */
.nav {
  position: sticky; top: 0; z-index: 60;
  display: flex; align-items: center; gap: 28px;
  padding: 20px max(24px, calc((100vw - var(--wrap)) / 2));
  background: rgba(251,251,247,.72);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: padding .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
}
.nav.stretta { padding-top: 12px; padding-bottom: 12px; border-bottom-color: var(--line); }
.brandmark { display: flex; align-items: center; }
/* Il marchio è inline: i due righi prendono il colore dal testo, così lo
   stesso disegno va sulla carta e sull'inchiostro senza filtri. */
.marchio { display: block; color: var(--ink); }
.marchio .ci { stroke: var(--accent-2); }
.marchio.chiaro { color: var(--paper); }
.marchio.chiaro .ci { stroke: var(--accent-chiaro); }
.nav nav { margin-left: auto; display: flex; gap: 4px; }
.nav nav a {
  position: relative; color: var(--muted-2); text-decoration: none;
  font-size: 14px; padding: 8px 14px; border-radius: 8px;
  transition: color .2s var(--ease);
}
.nav nav a::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 3px; height: 2px;
  background: var(--accent); transform: scaleX(0); transform-origin: left;
  transition: transform .3s var(--ease);
}
.nav nav a:hover { color: var(--ink); }
.nav nav a.current { color: var(--ink); }
.nav nav a.current::after { transform: scaleX(1); }

/* ----------------------------------------------------- bottoni */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 20px; border-radius: 999px;
  background: var(--accent); color: #fff;
  font-family: var(--sans); font-size: 14px; font-weight: 600;
  text-decoration: none; border: 1px solid var(--accent); cursor: pointer;
  transition: transform .2s var(--ease), box-shadow .25s var(--ease), background .2s var(--ease);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(47,75,124,.30); }
.btn:active { transform: translateY(0); }
.btn.big { padding: 15px 30px; font-size: 15px; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { background: var(--paper-2); box-shadow: none; border-color: var(--muted); }

/* ----------------------------------------------------- entrata */
.js .anim { opacity: 0; transform: translateY(14px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js body.pronto .anim, body.pronto .anim { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .07s; } .reveal.d2 { transition-delay: .14s; } .reveal.d3 { transition-delay: .21s; }

/* ----------------------------------------------------- hero */
.hero {
  position: relative; overflow: hidden;
  background: var(--ink); color: var(--paper);
  padding: clamp(64px, 11vw, 132px) 0 clamp(72px, 10vw, 116px);
}
/* alone lento dietro il titolo: si muove appena, non deve distrarre */
.js .halo { opacity: 0; }
.halo {
  position: absolute; inset: -30% -10% auto -10%; height: 130%;
  background:
    radial-gradient(46% 42% at 22% 32%, rgba(78,112,174,.26), transparent 62%),
    radial-gradient(40% 38% at 78% 20%, rgba(47,75,124,.30), transparent 66%);
  filter: blur(8px);
  pointer-events: none;
  /* Un solo movimento, all'apertura: l'alone si distende e si ferma. Una
     animazione infinita qui costerebbe CPU per sempre, su una pagina che si
     guarda per trenta secondi. */
  transform: translate3d(-2%, -1%, 0) scale(1);
  transition: opacity 1.6s var(--ease), transform 2.4s var(--ease);
}
body.pronto .halo { opacity: 1; transform: translate3d(1%, 1%, 0) scale(1.06); }
.hero-grid {
  position: relative; display: grid; gap: clamp(36px, 5vw, 72px);
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); align-items: center;
}
.eyebrow {
  margin: 0 0 18px; font-size: 12px; font-weight: 600;
  letter-spacing: .2em; text-transform: uppercase; color: var(--accent);
}
.hero h1 { font-size: clamp(38px, 6.2vw, 70px); line-height: 1.04; }
.hero h1 .line { display: block; }
.hero h1 em { font-style: normal; position: relative; display: inline-block; }
/* il filo verde si tira sotto la parola, dopo che il titolo è entrato */
.ul {
  position: absolute; left: 0; right: 0; bottom: .06em; height: 3px;
  background: var(--accent); border-radius: 2px;
  transform: scaleX(0); transform-origin: left;
  transition: transform .8s var(--ease) .75s;
}
body.pronto .ul { transform: scaleX(1); }
.hero .sub {
  margin: 26px 0 0; max-width: 46ch; font-size: 17px; line-height: 1.65;
  color: rgba(251,251,247,.74);
}
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero .btn.ghost { color: var(--paper); border-color: var(--line-dark); }
/* la riga che conta, dentro il paragrafo d'apertura */
.hero .sub b { color: var(--paper); font-weight: 600; }
.hero .btn.ghost:hover { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.3); }

.facts { display: flex; flex-wrap: wrap; gap: 34px; margin: 46px 0 0; padding: 26px 0 0; list-style: none; border-top: 1px solid var(--line-dark); }
.facts li { display: flex; flex-direction: column; }
.facts b {
  font-family: var(--serif); font-size: 30px; line-height: 1; color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.facts span { font-size: 12.5px; color: rgba(251,251,247,.55); margin-top: 6px; }

/* il fascio di fogli: si apre a ventaglio quando la pagina è pronta */
.deck { position: relative; height: 340px; }
.sheet {
  position: absolute; left: 50%; top: 50%; width: 232px; padding: 18px 20px 22px;
  background: var(--paper); color: var(--ink); border-radius: 12px;
  box-shadow: 0 24px 60px rgba(0,0,0,.42);
  transition: transform .9s var(--ease), opacity .7s var(--ease);
  transform: translate(-50%, -50%) rotate(0deg);
}
.sheet .tag { font-size: 10px; font-weight: 700; letter-spacing: .12em; color: var(--olive); }
.sheet b { display: block; font-family: var(--serif); font-size: 19px; font-weight: 400; margin: 4px 0 16px; }
.sheet i { display: block; height: 7px; border-radius: 3px; background: var(--paper-2); margin-bottom: 8px; }
.sheet i.w80 { width: 80%; } .sheet i.w70 { width: 70%; } .sheet i.w60 { width: 60%; }
.sheet i.w50 { width: 50%; } .sheet i.w40 { width: 40%; }
.s1 { z-index: 1; } .s2 { z-index: 2; } .s3 { z-index: 3; }
body.pronto .s1 { transform: translate(-50%, -50%) rotate(-9deg) translate(-74px, 14px); }
body.pronto .s2 { transform: translate(-50%, -50%) rotate(-1deg) translate(0, -8px); }
body.pronto .s3 { transform: translate(-50%, -50%) rotate(8deg) translate(74px, 18px); }
.deck:hover .s1 { transform: translate(-50%, -50%) rotate(-12deg) translate(-92px, 10px); }
.deck:hover .s3 { transform: translate(-50%, -50%) rotate(11deg) translate(92px, 14px); }
.sheet, .deck:hover .sheet { transition-duration: .9s; }

/* ----------------------------------------------------- pipeline */
.strip { background: var(--ink-2); color: var(--paper); padding: 44px 0 52px; }
.flow { display: block; width: 100%; height: 60px; margin-bottom: -46px; }
.flow path { fill: none; stroke-width: 1.5; }
.flow .track { stroke: rgba(255,255,255,.10); }
.flow .draw {
  stroke: var(--accent); stroke-dasharray: 928; stroke-dashoffset: 928;
  transition: stroke-dashoffset 1.5s var(--ease);
}
.flow.in .draw { stroke-dashoffset: 0; }
.pipeline {
  position: relative; display: grid; gap: 14px;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}
.pin { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 10px; }
.dot {
  display: grid; place-items: center; width: 54px; height: 54px; border-radius: 50%;
  background: var(--ink); border: 1px solid var(--line-dark);
  font-size: 11px; font-weight: 700; letter-spacing: .06em; color: rgba(251,251,247,.72);
  transition: border-color .3s var(--ease), color .3s var(--ease), transform .3s var(--ease);
}
.pin.in .dot { border-color: var(--accent); color: var(--accent); }
.pin:hover .dot { transform: translateY(-3px); border-color: var(--accent); color: var(--accent); }
.lbl { font-size: 12.5px; color: rgba(251,251,247,.5); }

/* ----------------------------------------------------- sezioni */
.section { padding: clamp(72px, 9vw, 116px) 0; }
.section h2 { font-size: clamp(28px, 3.6vw, 42px); line-height: 1.14; margin-bottom: 14px; }
.section .eyebrow { color: var(--olive); }
.section .lead { max-width: 62ch; color: var(--muted-2); font-size: 16.5px; margin: 0 0 40px; }

/* I tre prodotti sono tre fasce, non tre schede: si aprono una per volta,
   così chi legge guarda una cosa sola e il colore di quel prodotto — il
   secondo rigo del suo marchio — tinge la fascia mentre è aperta. */
/* La colonna del marchio: fissa, perché i tre lockup non sono larghi uguali.
   Da questa misura dipendono sia il claim in testata sia il rientro del
   corpo: così tutto sta su una linea verticale sola. */
.fasce { --col: 200px; --gap: 24px; margin-top: 40px; border-top: 1px solid var(--line); }
.fascia { border-bottom: 1px solid var(--line); }
.fascia-testa {
  display: flex; align-items: center; gap: var(--gap); width: 100%;
  padding: 26px 4px; background: none; border: 0; cursor: pointer;
  font: inherit; color: inherit; text-align: left;
}
.fascia-testa:focus-visible { outline: 2px solid var(--pc); outline-offset: 2px; }
.fascia-marchio { flex: 0 0 var(--col); display: block; }
.fascia-marchio .pl { display: block; height: 27px; width: auto; }
.fascia-claim {
  flex: 1; font-family: var(--serif); font-size: clamp(17px, 2vw, 21px);
  color: var(--muted-2); transition: color .3s var(--ease);
}
.fascia.aperta .fascia-claim { color: var(--ink); }
/* il segno che dice «si apre»: una croce che diventa un meno */
.fascia-segno { position: relative; flex: 0 0 auto; width: 16px; height: 16px; }
.fascia-segno::before, .fascia-segno::after {
  content: ""; position: absolute; inset: 50% 0 auto 0; height: 2px;
  background: var(--pc); transform: translateY(-50%);
  transition: transform .35s var(--ease), opacity .35s var(--ease);
}
.fascia-segno::after { transform: translateY(-50%) rotate(90deg); }
.fascia.aperta .fascia-segno::after { transform: translateY(-50%) rotate(0deg); opacity: 0; }

/* si apre misurando il contenuto: niente altezze scritte a mano che poi
   tagliano il testo quando cambia */
.fascia-dentro { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .45s var(--ease); }
.fascia.aperta .fascia-dentro { grid-template-rows: 1fr; }
.fascia-corpo { overflow: hidden; }
.fascia-corpo > * { opacity: 0; transform: translateY(6px); transition: opacity .4s var(--ease) .1s, transform .4s var(--ease) .1s; }
.fascia.aperta .fascia-corpo > * { opacity: 1; transform: none; }
/* Una riga sola: cosa entra e cosa esce. Il grassetto è la promessa, il
   resto è il come. */
/* Una spiegazione sola, allineata sotto il claim: la prima frase in
   inchiostro dice cosa succede, il resto come e perché conviene. */
.fascia-sintesi {
  max-width: 74ch; margin: 0 0 24px; padding-left: calc(var(--col) + var(--gap) + 4px);
  font-size: 16.5px; line-height: 1.62; color: var(--muted-2);
}
.fascia-sintesi b { color: var(--ink); font-weight: 600; }
.fascia-corpo .btn { margin: 0 0 30px calc(var(--col) + var(--gap) + 4px); }
.fascia-corpo .btn.ghost:hover { border-color: var(--pc); color: var(--pc); }
@media (max-width: 1000px) {
  .fasce { --col: 170px; --gap: 18px; }
}
@media (max-width: 700px) {
  /* Testata su due righe: marchio a sinistra e segno «+» a destra sulla prima,
     la promessa sotto. Senza, il segno finisce a capo sotto il testo e la
     fascia non sembra piu' una riga da aprire. */
  .fascia-testa { flex-wrap: wrap; gap: 10px 12px; padding: 20px 4px; }
  .fascia-marchio { flex: 0 0 auto; }
  .fascia-segno { order: 1; margin-left: auto; }
  .fascia-claim { order: 2; flex-basis: 100%; font-size: 16px; }
  .fascia-sintesi, .fascia-corpo .btn { padding-left: 0; margin-left: 0; }
  .fascia-corpo .btn { margin-bottom: 24px; }
}
@media (prefers-reduced-motion: reduce) {
  .fascia-dentro, .fascia-corpo > *, .fascia-testa { transition: none; }
}

/* ----------------------------------------------------- stile */
.stylezone { background: var(--paper-2); }
.styler { display: grid; gap: 34px; grid-template-columns: 220px minmax(0, 1fr); align-items: start; }
.swatches { display: flex; flex-direction: column; gap: 8px; }
.sw {
  display: flex; align-items: center; gap: 12px; padding: 11px 14px;
  background: #fff; border: 1px solid var(--line); border-radius: 11px;
  font-family: var(--sans); font-size: 14px; color: var(--muted-2); cursor: pointer;
  transition: border-color .2s var(--ease), color .2s var(--ease), transform .2s var(--ease);
}
.sw span {
  width: 30px; height: 18px; border-radius: 5px; flex: 0 0 30px;
  background: linear-gradient(100deg, var(--a) 0 44%, var(--b) 44% 74%, var(--c) 74% 100%);
}
.sw:hover { transform: translateX(2px); color: var(--ink); }
.sw.on { border-color: var(--ink); color: var(--ink); font-weight: 600; }

.mock {
  --m-a: #BECD05; --m-b: #808000; --m-c: #1D1D1B;
  background: #fff; border: 1px solid var(--line); border-radius: 14px; overflow: hidden;
  box-shadow: 0 18px 44px rgba(29,29,27,.08);
}
/* Il cambio di palette e' un dissolvenza, non una transizione di colore: una
   `transition` su una proprieta' che prende il valore da una custom property
   non registrata blocca il valore vecchio in alcuni browser, e il riquadro
   resterebbe del colore di prima. Cosi' invece cambia sempre. */
@keyframes ricolora { from { opacity: .35; } to { opacity: 1; } }
.mock.cambia { animation: ricolora .45s var(--ease) both; }
.mock-head {
  display: flex; align-items: center; gap: 10px; padding: 12px 18px;
  background: var(--m-c); color: rgba(255,255,255,.82); font-size: 12.5px;
}
.mock-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--m-a); }
.mock-body { padding: 26px 28px 20px; }
.mock-title { font-family: var(--serif); font-size: 21px; color: var(--m-b); }
.mock-crumbs { display: flex; flex-wrap: wrap; gap: 14px; margin: 14px 0 22px; font-size: 11.5px; color: var(--muted); }
.mock-crumbs .on { color: var(--m-b); font-weight: 700; }
.mock-rows { border-top: 1px solid var(--line); }
.mock-rows .row {
  display: grid; grid-template-columns: minmax(0, 1fr) 84px 84px; gap: 10px;
  padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 14px;
}
.mock-rows b { text-align: right; font-weight: 500; font-variant-numeric: tabular-nums; }
.mock-rows .tot { font-weight: 600; }
.mock-rows .key {
  background: color-mix(in srgb, var(--m-a) 22%, transparent);
  font-weight: 700; padding-left: 8px; padding-right: 8px; margin: 0 -8px;
}
.mock-foot { display: flex; justify-content: space-between; margin-top: 16px; font-size: 11px; color: var(--muted); }

/* ----------------------------------------------------- passaggi */
/* I quattro passaggi sono carte da girare: davanti il passo, dietro cosa
   succede davvero. Senza JavaScript le due facce restano una sotto l'altra e
   si leggono entrambe — la pagina non dipende dall'effetto. */
.steps { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(min(230px, 100%), 1fr)); margin-top: 44px; }
.step {
  position: relative; width: 100%; text-align: left; font: inherit; color: inherit;
  padding: 0; background: none; border: 0; cursor: pointer;
}
.faccia {
  display: block; padding: 26px 24px; background: #fff;
  border: 1px solid var(--line); border-radius: 14px;
}
.step .n {
  display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%;
  background: var(--ink); color: var(--accent); font-size: 14px; font-weight: 700; margin-bottom: 16px;
}
.step h4 { font-size: 17px; margin-bottom: 8px; font-family: var(--serif); font-weight: 400; }
.step p { margin: 0; font-size: 14px; color: var(--muted-2); }
.step .gira { display: none; font-size: 12px; color: var(--accent); font-weight: 600; }

.js .step { perspective: 1000px; min-height: 210px; }
.js .step .faccia {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  backface-visibility: hidden; transform-style: preserve-3d;
  transition: transform .55s var(--ease), box-shadow .3s var(--ease);
}
.js .step .fronte { transform: rotateY(0deg); }
.js .step .retro {
  transform: rotateY(180deg); justify-content: center;
  background: var(--ink); border-color: var(--ink);
}
.js .step .retro p { color: rgba(251,250,248,.86); font-size: 14.5px; line-height: 1.6; }
.js .step .gira { display: block; margin-top: auto; }
.js .step:hover .fronte { box-shadow: 0 14px 34px rgba(14,15,12,.10); }
.js .step.girata .fronte { transform: rotateY(-180deg); }
.js .step.girata .retro { transform: rotateY(0deg); }
.js .step:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 14px; }
@media (prefers-reduced-motion: reduce) {
  .js .step .faccia { transition: none; }
}

/* Il marchio del prodotto sopra il titolo di sezione: dice di chi si sta
   parlando prima ancora che si legga il titolo. */
.marchio-sezione { margin: 6px 0 14px; }
.marchio-sezione .pl { display: block; height: 30px; width: auto; }

/* ----------------------------------------------------- risorse */
.resources { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr)); margin-top: 40px; }
.rescard {
  display: flex; flex-direction: column; gap: 8px; padding: 24px;
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.rescard:hover { transform: translateY(-3px); box-shadow: 0 16px 38px rgba(29,29,27,.08); }
.rescard .ext { font-size: 11px; font-weight: 700; letter-spacing: .1em; color: var(--olive); }
.rescard h4 { font-size: 17px; }
.rescard p { margin: 0; font-size: 13.5px; color: var(--muted-2); flex: 1; }
.rescard .btn { align-self: flex-start; margin-top: 8px; }

/* ----------------------------------------------------- chiusura */
.closing { background: var(--ink); color: var(--paper); padding: clamp(72px, 9vw, 118px) 0; text-align: center; }
.closing h2 { font-size: clamp(26px, 4vw, 44px); line-height: 1.18; max-width: 20ch; margin: 0 auto 34px; }
.foot { padding: 30px 0 44px; background: var(--ink); color: rgba(251,251,247,.45); }
.foot .wrap { display: flex; align-items: center; gap: 14px; border-top: 1px solid var(--line-dark); padding-top: 26px; }
.foot .small { color: rgba(251,251,247,.45); }
.foot .marchio { opacity: .9; }

/* ----------------------------------------------------- schermi stretti */
@media (max-width: 940px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); }
  .deck { display: none; }
  .styler { grid-template-columns: minmax(0, 1fr); }
  .swatches { flex-direction: row; flex-wrap: wrap; }
  .sw { flex: 1 1 130px; }
}
@media (max-width: 760px) {
  .nav { gap: 12px; padding-left: 18px; padding-right: 18px; }
  .nav nav { display: none; }
  /* senza il menu, e' il pulsante a tenersi il bordo destro */
  .nav .btn { margin-left: auto; }
  .wrap { width: calc(100vw - 36px); }
  .pipeline { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
  .flow { display: none; }
  .facts { gap: 24px; }
  .facts li { flex: 1 1 40%; }
  .hero .sub { font-size: 16px; }
  .mock-rows .row { grid-template-columns: minmax(0, 1fr) 64px 64px; font-size: 13px; }
  .btn.big { width: 100%; }
  .cta { flex-direction: column; }
}

/* ----------------------------------------------------- meno movimento */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
  .anim, .reveal { opacity: 1 !important; transform: none !important; }
  .ul { transform: scaleX(1) !important; }
  .flow .draw { stroke-dashoffset: 0 !important; }
  body.pronto .s1, body.pronto .s2, body.pronto .s3 { transform: translate(-50%, -50%); }
  .deck { display: none; }
}

/* Sul fondo scuro l'accento passa alla sua tinta chiara: lo stesso colore,
   leggibile. Un blu profondo su nero non si vede. */
.hero .eyebrow, .hero .facts b, .step .n { color: var(--accent-chiaro); }
.ul { background: var(--accent-chiaro); }
.flow .draw { stroke: var(--accent-chiaro); }
.pin.in .dot, .pin:hover .dot { border-color: var(--accent-chiaro); color: var(--accent-chiaro); }
.sheet .tag { color: var(--accent); }

/* ----------------------------------------------------- l'apertura
   Il rumore di una giornata qualunque, e poi l'ordine. Dura tre secondi,
   si salta con un clic, e chi ha chiesto meno movimento non la vede. */
html.bloccato, html.bloccato body { overflow: hidden; }

.caos {
  position: fixed; inset: 0; z-index: 300; background: var(--ink);
  overflow: hidden; cursor: pointer;
  transition: opacity .6s var(--ease);
}
.caos.via { opacity: 0; pointer-events: none; }

.sciame { position: absolute; inset: -10%; animation: tremore .28s steps(2, end) infinite; }
.caos.calma .sciame { animation: none; opacity: 0; transition: opacity .45s var(--ease); }
.caos.calma .fr { animation-play-state: paused; }

@keyframes tremore {
  0%   { transform: translate3d(0, 0, 0); }
  50%  { transform: translate3d(-3px, 2px, 0); }
  100% { transform: translate3d(2px, -2px, 0); }
}

/* ogni frammento entra, sfreccia e sparisce, con tempi tutti diversi */
.fr {
  position: absolute; will-change: transform, opacity;
  animation: sfreccia var(--dur) var(--rit) linear infinite;
  font-family: var(--sans); font-size: 13px; white-space: nowrap;
  color: rgba(243, 242, 242, .55);
  background: rgba(243, 242, 242, .06);
  border: 1px solid rgba(243, 242, 242, .10);
  border-radius: 6px; padding: 7px 11px;
}
.fr3 { color: var(--accent-chiaro); border-color: rgba(51, 179, 214, .35); font-weight: 600; }
.fr1 { padding: 8px; width: 118px; background: rgba(243, 242, 242, .08); }
.fr1 i { display: block; height: 5px; border-radius: 3px; background: rgba(243, 242, 242, .22); margin-bottom: 5px; }
.fr1 i:first-child { width: 40%; background: rgba(51, 179, 214, .5); }
.fr2 { display: grid; grid-template-columns: repeat(3, 26px); gap: 3px; padding: 8px; }
.fr2 b { display: block; height: 9px; background: rgba(243, 242, 242, .16); border-radius: 2px; }
.fr2 b:nth-child(4) { background: rgba(224, 122, 95, .55); }

@keyframes sfreccia {
  0%   { opacity: 0; transform: translate3d(0, 0, 0) rotate(0deg) scale(.9); }
  12%  { opacity: 1; }
  80%  { opacity: .9; }
  100% { opacity: 0; transform: translate3d(var(--dx), var(--dy), 0) rotate(var(--rot)) scale(1.06); }
}

/* al centro il marchio, che compare quando l'occhio si è già stancato */
.centro {
  position: absolute; inset: 0; z-index: 2;
  display: grid; place-content: center; justify-items: center;
  gap: 14px; opacity: 0; transform: scale(.82);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}
.caos.pronta .centro { opacity: 1; transform: scale(1); }
.centro::before {
  content: ""; position: absolute; width: 520px; height: 520px; border-radius: 50%;
  background: radial-gradient(circle, rgba(14,15,12,.92) 30%, rgba(14,15,12,0) 70%);
}
.centro > * { position: relative; }
.centro svg { filter: drop-shadow(0 6px 30px rgba(14, 15, 12, .9)); }
.invito {
  font-family: var(--sans); font-size: 12px; letter-spacing: .16em;
  text-transform: uppercase; color: rgba(243, 242, 242, .55);
  animation: respiro 2.4s ease-in-out infinite;
}
@keyframes respiro { 0%, 100% { opacity: .45; } 50% { opacity: 1; } }
.caos.calma .centro { opacity: 0; transform: scale(1.15); }

/* la quiete: quattro fogli in fila e una riga di testo */
.fila {
  position: absolute; inset: 0; z-index: 3; display: flex; flex-wrap: wrap; gap: 14px;
  align-content: center; justify-content: center; padding: 0 24px;
  opacity: 0; pointer-events: none;
}
.caos.calma .fila { opacity: 1; transition: opacity .5s var(--ease) .35s; }
/* Alla fine resta una riga sola, al centro: dopo il rumore, il silenzio non
   si riempie di altre cose da guardare. */
.quiete {
  flex-basis: 100%; text-align: center;
  font-family: var(--serif); font-size: clamp(17px, 2vw, 22px); color: var(--paper);
  opacity: 0; transform: translateY(6px);
}
.caos.calma .quiete {
  opacity: 1; transform: none;
  transition: opacity .9s var(--ease) .45s, transform .9s var(--ease) .45s;
}

/* i quattro fogli restano in fila anche su uno schermo stretto: se vanno a
   capo, l'idea del «quattro in uscita» si perde */
@media (max-width: 660px) {
  .fila { padding: 0 20px; }
  .fr1 { width: 86px; }
}